09-12-2017 05:38 AM
Welcome to the Community Forums.
You may use your serial number here on the parts look up page to get your OEM motherboard part number.
Using the part number to order or search online from other resellers in your location would help.
Here is your hardware manual for reference as it includes FRU list to match the part number with the disassembly guide.
Additional reference article for review:
Hope this help answer your query.